import random

proxies_pool = [
    {"http": "117.42.94.181:18036"},
    {"http": "117.42.94.182:18036"},
    {"http": "117.42.94.183:18036"},
    {"http": "117.42.94.184:18036"},
    {"http": "117.42.94.185:18036"},
    {"http": "117.42.94.186:18036"},
]

proxies = random.choice(proxies_pool)

print(proxies)